Smarty
Zipcodestack
PostalDataPI
Geoco.io
Melissa Data Quality
Loqate
usZIPCodes.org
REST API for US ZIP, ZIP+4, and Canadian postal codes. Single unified endpoint covers address validation and standardization, radius search (centroid haversine and true spatial polygon intersection), point-to-point distance, autocomplete/typeah

Cloudsmith
Artifactory
CloudRepo
Gemfury
Sonatype Nexus Repository
jFrog
fpm
Free hosted Node.js, Debian, RPM, Java, Python and RubyGem repositories. Chef, Puppet, Jenkins, Buildkite, CircleCI and Travis CI integrations.

Which is more popular?
Based on our record, packagecloud seems to be more popular. It has been mentioned 5 times since March 2021.
Website, pricing, platforms and company facts side by side.
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ZIP
ZIP Code API
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|
|
|---|---|---|
| Website | zip-codes.com | packagecloud.io |
| Pricing | — | |
| Platforms | — | |
| Company | Startup from the United States · 2026 | 2016 |
| Listed in |
In their own words, as submitted to SaaSHub.

API for US ZIP, ZIP+4, and Canadian postal code data. One unified endpoint set covers North America — no separate APIs by country or data type. What it does Address validation and standardization — production-grade parser with ZIP+4 append, refreshed monthly Radius search — centroid haversine and...
Packagecloud is a cloud-based package repository that allows its users to host npm, python, rubygem, apt, Java/Maven, and yum repositories without having to configure anything first. Being a cloud-based solution, it also allows one to distribute various software packages in a uniform, scalable,...
What each product offers, as listed by its team.

An editorial look at what each product does well and who it suits.

Overall verdict
Why this product is good
Recommended for
No analysis of packagecloud yet.
How often each product is chosen within a category, 0–100% relative to the other.

Share your experience with using ZIP Code API and packagecloud. For example, how are they different and which one is better?
External articles and on-site reviews we used to compare the two products.

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Packagecloud is a cloud-based package repository that allows its users to host npm, python, rubygem, apt, Java/Maven, and yum repositories without having to configure anything first. Being a cloud-based solution, it...
Recommendations tracked on public social media and blogs since March 2021.

Tracking ZIP Code API since May 2026.
Looks like the repository on packagecloud.io don't have the latest version yet, it only lists 0.0.23? I got 0.0.24 from somewhere though. Source: almost 4 years ago
Forcing the config can be don manually by modifying the config files that points to different repos in /etc/apt/sources.list.d, or for packages on packagecloud.io, you can use the method that I describe. The latter works because... Source: about 4 years ago
The error you are seeing is because you probably ran one of the steps that creates a configuration in your system that points to packagecloud.io, so that your system can retrieve packages from https://packagecloud.io/cs50/repo. However... Source: about 4 years ago
When comparing ZIP Code API and packagecloud, you can also consider the following products.

Smarty provides address validation, autocomplete, geocoding and reverse geocoding services covering addresses in over 240+ countries.
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Cloudsmith is the preferred software platform for securely storing and sharing packages and containers. We have distributed millions of packages for innovative companies around the world.
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Free Zip Code API - Free Postal Code Validation | Zipcodestack
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The world’s most advanced repository manager.
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The most affordable postal code API. 240+ countries, sub-5 ms responses. Simple, elegant, transparent.
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Public and Private Maven and Python (PyPi) repository package manager.
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